Triceps exerciser



FIG. 1 is a perspective view of a triceps exerciser showing my new design;

FIG. 2 is an alternate perspective view thereof, as seen from the front and left side;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a rear view thereof;

FIG. 6 is a front view thereof;

FIG. 7 is a right side view thereof; and,

FIG. 8 is a left side view thereof. 

The ornamental design for a triceps exerciser, as shown and described. 